Exploring the Benzophenone Side Effects in Sunscreen

benzophenone 3, 4 side effects for skin

Sunscreen is an essential component of our daily skincare routine, offering protection against the harmful effects of ultraviolet (UV) radiation from the sun. Benzophenone is a common ingredient in many sunscreens. It plays a vital role in shielding our skin from UV rays. In this article, we will delve into the benzophenone-3,4 side effects and its presence in various sunscreen formulations.

Benzophenone Structure Formula & Derivatives

Benzophenone belongs to the family of aromatic ketones and has a chemical structure that includes two phenyl rings linked by a carbonyl (C=O) group. The Benzophenone Structure Formula enables it to absorb UV radiation effectively.

Several derivatives of benzophenone exist, each with unique properties. These derivatives are often used in sunscreen formulations to enhance sun protection.

The International Union of Pure and Applied Chemistry (IUPAC) names benzophenone as "diphenylmethanone." This name accurately reflects its molecular structure.

Different types of Benzophenone in Sunscreen

Sunscreen is a critical part of a skincare regimen as it shields the skin from harmful UV rays, which can lead to sunburn, premature aging, and an increased risk of skin cancer.

Benzophenone compounds are added to sunscreens to enhance their UV-absorbing properties. They work by absorbing UV radiation and transforming it into harmless heat, preventing it from penetrating the skin. There are 2 types of benzophenone and these are:

1. Benzophenone-3 (Oxybenzone)

Benzophenone-3, also known as oxybenzone, is a common derivative used in sunscreens. It offers effective UV protection but has raised concerns due to its potential side effects.

2. Benzophenone-4

Benzophenone-4 is another derivative used in sunscreens. It provides UV protection and is commonly found in a variety of skincare products.

Common Benzophenone Side Effects

common benzophenone side effects in sunscreen

1. Environmental Concerns

Benzophenone derivatives, especially oxybenzone, have come under scrutiny for their potential impact on the environment, including coral reefs. Some regions have implemented bans or restrictions on the use of these derivatives in sunscreens to protect coral reefs and aquatic ecosystems.

2. Health Considerations

There are concerns about the potential health effects of benzophenone_3,4, particularly oxybenzone, regarding its impact on hormones and skin sensitivities.

3. Skin Irritation and Allergies

Some individuals may experience skin irritation or allergic reactions when using sunscreen containing benzo derivatives.

4. Hormonal Disruption Concerns

Research has suggested that certain benzophenone_3,4 compounds may disrupt hormonal balance in the body, raising concerns about their long-term effects.

5. Photoallergic Reactions

In rare cases, individuals may develop photoallergic reactions which leads to skin rashes and discomfort.

Benzophenone-4 & Benzophenone-3 (Oxybenzone) Side Effects

Benzophenone-4 side effects: It's a widely used in sunscreen formulations for its UV-absorbing properties and photostability. While considered safe for most individuals, some may experience mild skin irritation when using products containing benzophenone4.

Benzophenone-3 side effects: It is also known as Oxybenzone has been associated with coral bleaching and harm to marine ecosystems, leading to bans in some regions. Oxybenzone has raised health concerns due to its potential endocrine-disrupting effects and skin sensitization.

Recommendations for Benzophenone-Free Sunscreen 

Here are the benzophenone_4, 3 free sunscreens that are safe for your skin:

1. Benzophenone-free Skyntox Mineral Sunscreen SPF 30 PA+++


  • This product provides broad spectrum, IR & Blue light Protection with SPF 30 Pa+++ rating.
  • All ingredients are safe for kids and babies. No use of harmful ingredients.
  • Gives Long lasting hydration.

2. Benzophenone3,4 Free Sunscreen for Dark spots


  • Provides broad spectrum protection with SPF 50 PA++++ rating.
  • Clinically proven to reduce dark spots.
  • Non-comedogenic and allergen-free.
  • Special ingredients used for detoxification.

3. Oxybenzone Free Anti-pigmentation Ultrasun Sunscreen SPF 50 Pa++++


  • Broad Spectrum Protection recommended by dermatologist.
  • Also treat pigmentation & reduce dark spots.
  • Made in Switzerland with Swiss care technology.

FAQs About Benzophenone Sunscreen Side Effects

1. Can benzophenone_3, 4 in sunscreen cause skin allergies or rashes?

Yes, in some cases, it can cause skin allergies or rashes in individuals with sensitive skin. If you notice any adverse reactions, switch to a sunscreen with different active ingredients.

2. Are there any long-term health risks associated with benzophenone_4, 3 in sunscreen?

Long-term health risks associated with benzophenone3,4 in sunscreen are minimal. However, if you have concerns or sensitivities, consider using sunscreens with alternative active ingredients, such as zinc oxide or titanium dioxide.

3. Does benzophenone_3, 4 in sunscreen have any hormonal effects?

Some studies have suggested that certain UV filters, including benzophenone3,4, may have hormonal effects when absorbed in significant quantities. However, the levels typically found in sunscreen are not believed to pose a significant risk to hormonal balance.

4. Can benzophenone_4,3 in sunscreen cause eye irritation?

Benzophenone_3,4 can cause eye irritation if it comes into direct contact with the eyes. Be cautious when applying sunscreen near the eye area and avoid getting it into your eyes.


Benzophenone_3,4 was once thought to be a useful ingredient. It has revealed its potential for harm through skin penetration, hormonal disruption, and environmental repercussions. As consumers, it's crucial for us to be vigilant about the products we use and their potential effects on our health and the environment. While the importance of sunscreen in safeguarding our skin against sun damage is undeniable, it's equally important to be aware of the ingredients present in these products. After all, sun protection should be a source of comfort, not a concern.



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Skyntox Mineral Sunscreen for Babies & Kids | SPF 30 PA+++

Regular price ₹ 849.00
Regular price ₹ 849.00 Sale price ₹ 849.00
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Skyntox Dark Spot Sunscreen | SPF 50 PA++++

Regular price ₹ 989.00
Regular price ₹ 989.00 Sale price ₹ 989.00
Unit price  per 
View product

Skyntox Dark Spot Sunscreen | SPF 50 PA++++

Regular price ₹ 989.00
Regular price ₹ 989.00 Sale price ₹ 989.00
Unit price  per 
View product